Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 53

Answer

The solution is -4

Work Step by Step

9a+29 +7=0 Simplify 9a+36=0 Subtract 36 from both sides 9a+36-36=0-36 9a=-36 Divide by 9 on both sides $\frac{9a}{9}$=$\frac{-36}{9}$ a=-4 The solution is -4 Check 9a+29+7=0 Replace x with -4 9(-4)+29+7=0 Simplify -36+29+7=0 -7+7=0 0=0
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